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Sydney North Substation is a 330/132kV substation located in Sydney, New South Wales, Australia. The construction works on Sydney North Substation began in 2017. The project was commissioned in 2018.


The Sydney North Substation project is a new substation being operated by TransGrid.

The designed voltage level of the project is 330/132kV, while the operating voltage level is 330/132kV.The step-in voltage of the substation is 330kV and the step-out voltage is 132kV. The substation capacity is 750MVA.

Sydney North Substation has received approval from Australian Energy Regulator to undertake the works on the project.Approximately $26.8m was financed by the authorities for the construction works of the project.

About TransGrid

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By GlobalData

TransGrid (TransGrid), is a provider of electricity network and solutions. The company offers infrastructure services which include feasibility and estimation studies, option analysis, grid connection for new generators, asset redevelopment and consultation services; and telecommunication transmission services. It also provides connections and modifications, network planning, demand management and co-location services. The company supplies power through a network of high voltage overhead transmission lines, underground cables, switching stations and transmission structures.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.